/* 公共样式 */

/* 解决底部背景色不能满屏 */
@media screen and (max-width: 1180px) {
  .foot {
    width: 1180px;
  }
}
/* 版心 */
.main {
  width: 1180px;
  margin: 0 auto;
  /* border: 1px solid; */
}
/* 清除浮动 */
.clearfix:after {
  content: '';
  display: block;
  clear: both;
}
/* 左浮动 */
.fl{
  float: left;
}
/* 右浮动 */
.fr{
  float: right;
}
/* 隐藏元素 */
.display {
  display: none;
}
/* 显示元素 */
.block{
  display: block;
}


/* 同步课程、在线测试等头部 */
.course_top {
  height: 65px;
  line-height: 65px;
  position: relative;
}
.course_top_fl {
  font-family: PingFangSC-Regular;
  font-size: 20px;
  color: #333333;
  letter-spacing: 0;
  padding-left: 20px;
}
.course_top_fl i {
  display: block;
  width: 6px;
  height: 20px;
  background-color: #74C6B3;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0px;
}
.course_top_fr a {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #74C6B3;
  letter-spacing: 0;
}
/* 图片转块级元素 */
img{
  display: block;
}

/* 头部 */
.head {
  background: #fff;
  box-shadow: 0 2px 4px 2px rgba(0, 0, 0, 0.04);
}

.head .head_left {
  width: 180px;
  height: 80px;
  margin-right: 120px;
}

.head .head_center {
  width: 380px;
  height: 80px;
}

.head .head_center li {
  float: left;
  width: 80px;
  height: 80px;
  margin-right: 20px;
}
.actives {
  background: #80C4AE;
  color: #fff !important;
}
.head .head_center li:last-child {
  margin-right: 0;
}

/* .head .head_center li:hover a {
  background: #80C4AE;
  color: #fff;
} */

.head .head_center li a {
  display: block;
  width: 100%;
  height: 100%;
  line-height: 80px;
  text-align: center;
  font-family: PingFangSC-Semibold;
  font-size: 16px;
  color: #333333;
  letter-spacing: 0;
}

.head .head_right {
  width: 380px;
  height: 80px;
  position: relative;
}

.head_right .head_right_fl {
  width: 280px;
  left: 0;
  border: 1px solid #80C4AE;
  border-radius: 4px;
}

.head_right .head_right_fr {
  /* width: 80px; */
  right: 0;
}
/* 用户头像 */
.head_right .user,
.head_right .user img {
  width: 50px;
  height: 50px;
  right: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  z-index: 1;
}
.head_right .user .user_menu{
  position: absolute;
  width: 120px;
  background-color: #ccc;
  top: 55px;
  left: -35px;
  display: none;
}
.head_right .user .user_menu p{
  text-align: center;
  height: 30px;
  line-height: 30px;
}

.head_right .head_right_fl,
.head_right .head_right_fr {
  height: 36px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.head_right .head_right_fl .head_right_course {
  width: 69px;
  font-family: PingFangSC-Semibold;
  font-size: 14px;
  color: #80C4AE;
  letter-spacing: 0;
  text-align: center;
  line-height: 36px;
  position: relative;
}
.head_right .head_right_fl .head_right_course i{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 2px;
  pointer-events:none;
}
.head_right .head_right_fl .head_right_course select{
  width: 69px;
  height: 36px;
  border: 0;
  outline: none;
  font-family: PingFangSC-Semibold;
  font-size: 14px;
  color: #80C4AE;
  letter-spacing: 0;
  text-align: center;
  line-height: 36px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border-radius: 4px 0 0 4px;
  cursor: pointer;

}

.head_right .head_right_fl .input {
  width: 211px;
  height: 36px;
  box-sizing: border-box;
  border-left: 1px solid #80C4AE;
  position: relative;
}

.head_right .head_right_fl .input i {
  position: absolute;
  top: 7px;
  right: 8px;
  font-size: 21px;
  color: #80C4AE;
}

.head_right .head_right_fl .input input {
  width: 206px;
  height: 36px;
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #999999;
  letter-spacing: 0;
  padding-left: 35px;
  box-sizing: border-box;
  border: none;
  outline: none;
}

.head_right .head_right_fr {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #333333;
  letter-spacing: 0;
  line-height: 36px;
}

.head_right .head_right_fr .head_right_fr_login:hover,
.head_right .head_right_fr .head_right_fr_register:hover {
  cursor: pointer;
  color: #80C4AE;
}

/* 头部end */

/* 尾部 */
.foot {
  height: 264px;
  background: #333333;
}

.foot .friendship {
  width: 1042px;
  margin: 0 auto;
  padding-top: 75px;
  margin-bottom: 25px;
}

.foot .friendship li {
  float: left;
  padding: 0 8px;
  line-height: 18px;
  border-right: 1px solid #f0f2f5;
}

.foot .friendship li:hover a {
  color: #80C4AE;
}

.foot .friendship li:first-child {
  padding-left: 0;
}

.foot .friendship li:last-child {
  border-right: 0;
  padding-right: 0;
}

.foot .friendship li a {
  display: block;
  line-height: 18px;
  color: #f0f2f5;
  font-size: 12px;
  font-family: PingFangSC-Regular;
}

.foot p {
  color: #f0f2f5;
  font-size: 12px;
  font-family: PingFangSC-Regular;
  text-align: center;
  margin-bottom: 24px;
}

/* 尾部end */

/* 右侧固定菜单 */
.fixed {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
}

.fixed li {
  width: 70px;
  height: 70px;
  margin-top: 5px;
  background: #FFEFD6;
  border-radius: 4.67px;
}

.fixed li a {
  display: block;
  width: 100%;
  height: 100%;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #80C4AE;
  letter-spacing: 0;
  text-align: center;
  padding-top: 45px;
  box-sizing: border-box;
  position: relative;
}

.fixed li a i {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: block;
}

.fixed li:first-child a i {
  width: 26px;
  height: 31px;
  background: chartreuse url(../images/88_03.png) no-repeat;
}

.fixed li:nth-child(2) a i {
  width: 32px;
  height: 27px;
  background: chartreuse url(../images/88_07.png) no-repeat;
}

.fixed li:last-child a i {
  /* width: 20px;
  height: 20px;
  background: chartreuse url(../images/top_03.png) no-repeat; */
  font-size: 32px;
}
/* 右侧固定菜单 */

/* 筛选菜单 */
.menu{
  padding: 20px 0;
}
.menu .menu_fl{
  width: 100px;
  font-family: PingFangSC-Semibold;
  font-size: 16px;
  color: #333333;
  letter-spacing: 0;
  height: 60px;
  line-height: 60px;
}
.menu .menu_fr{
  width: 1080px;
}
.menu .menu_ul li:first-child .menu_ul_item li:first-child {
  margin-right: 0px;
}
.menu .menu_ul li:first-child .menu_ul_item li{
  position: relative;
}
.menu .menu_ul li:first-child select{
  width: 180px;
  height: 40px;
  padding-left: 18px;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #666666;
  letter-spacing: 0;
  outline: none;
  border: 1px solid #80C4AE;
  border-radius: 4px;
  appearance: none;
}
.menu .menu_ul li:first-child i{
  position: absolute;
  top: 0px;
  right: 10px;
  color: #80C4AE;
}
.menu .menu_fr .menu_ul_item li{
  float: left;
  line-height: 60px;
  margin: 0  25px 0 15px;
}
.menu .menu_fr .menu_ul_item li a{
  font-family: PingFangSC-Medium;
  font-size: 14px;
  color: #666666;
  letter-spacing: 0;
  text-align: center;
  padding: 5px 10px;
  box-sizing: border-box;
}
.menu .menu_fr .menu_ul_item li a:hover{
  color: #fff;
  background-color: #80C4AE;
  border-radius: 4px;
}
/* 筛选菜单end */

/* 同步课程页使用首页在线测试模块样式 */
.test li {
  height: 225px;
  width: 380px;
  background: #F8F8F8;
  box-shadow: 0 2px 3px 3px rgba(111, 111, 111, 0.07);
  border-radius: 4px;
  margin: 0 20px 20px 0;
  float: left;
}

.test li:nth-child(3n+3) {
  margin-right: 0;
}

.test .test_img {
  width: 380px;
  height: 163px;
  border-radius: 4px 4px 0 0;
  position: relative;
}

.test .test_img .subscript {
  position: absolute;
  top: 0;
  left: 0;
  width: 71px;
  height: 33px;
  background: rgba(0, 0, 0, 0.30);
  border-radius: 4px 0 12px 0;
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #FFFFFF;
  letter-spacing: 0;
  text-align: center;
  line-height: 33px;
}

.test .test_img .study {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 33px;
  line-height: 33px;
  background: rgba(0, 0, 0, 0.20);
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #FFFFFF;
  letter-spacing: 0;
  padding: 0 10px;
  box-sizing: border-box;
}

.test .test_bottom {
  padding: 0 10px;
  box-sizing: border-box;
}

.test .test_bottom_fl p {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #333333;
  letter-spacing: 0;
  margin: 10px 0 5px 0;
}

.test .test_bottom_fl span {
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #7A7A7A;
  letter-spacing: 0;
}

.test .test_bottom_fr {
  width: 86px;
  height: 30px;
  background: #74C6B3;
  border-radius: 4px;
  line-height: 30px;
  text-align: center;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #FFFFFF;
  margin-top: 15px;
}
/* 同步课程页使用首页在线测试模块样式 end */

/* 面包屑 */
.crumbs{
  background-color: #F2F2F2;
}
.crumbs .crumbs_ul li{
  float: left;
  padding-left: 20px;
  height: 60px;
  line-height: 60px;
}
.crumbs .crumbs_ul li a{
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #333333;
  letter-spacing: 0;
  display: block;
  width: 100%;
  height: 100%;
}
.crumbs .crumbs_ul li:hover a{
  color: #80C4AE;
}
.crumbs .crumbs_ul li:last-child i{
  display: none;
}
.crumbs .crumbs_ul li a i{
  display: block;
  float: right;
  padding-left: 20px;
  font-size: 24px;
  color: #000;
  line-height: 60px;
}
/* 面包屑end */

/* 登录/注册 */
body{
  position: relative;
}

.logon_register{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-width: 1180px;
  background: rgba(0, 0, 0, .3);
}
.logon_register .logon,
.logon_register .register {
  width: 520px;
  height: 522px;
  background: #FFFFFF;
  border-radius: 4px;
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
}
/* 登录注册右上角关闭按钮 */
.logon_register .logon .close,
.logon_register .register .close {
  position: absolute;
  top: 25px;
  right: 25px;
  font-size: 25px;
  color: #999;
  z-index: 2;
}

.logon_register .logon .close:hover,
.logon_register .register .close:hover {
  cursor: pointer;
  color: #80C4AE;
}
/* 登录注册右上角关闭按钮 end*/
.logon_register .logon .img,
.logon_register .register .img {
  height: 114px;
  position: relative;
}
.logon_register .logon .img img,
.logon_register .register .img img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: block;
}
.logon_register .logon .other{
  height: 100px;
  position: relative;
}
.logon_register .logon .other>i,
.logon_register .logon .phone>i,
.logon_register .register .phone>i {
  display: block;
  width: 134px;
  height: 1px;
  background-color: #ECECEC;
}
.logon_register .logon .other span,
.logon_register .logon .phone>span,
.logon_register .register .phone>span {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #333333;
  letter-spacing: 0;
}
.logon_register .logon .other .other_list{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  width: 168px;
}
.logon_register .logon .other .other_list a{
  float: left;
  margin-right: 30px;
  font-size:34px;
}
.logon_register .logon .other .other_list a i{
  font-size:34px;
}
.logon_register .logon .other .other_list a:first-child{
  color: #2FA31D;
}
.logon_register .logon .other .other_list a:nth-child(2) i{
  color: #68A5E1;
  font-size: 40px;
}
.logon_register .logon .other .other_list a:last-child{
  color: #F56467;
  margin-right: 0;
}
.logon_register .logon .phone{
  position: relative;
  height: 300px;
}
.logon_register .register .phone {
  position: relative;
  height: 300px;
}
.logon_register .logon .phone .form,
.logon_register .register .phone .form {
  padding-top: 30px;
  box-sizing: border-box;
}
.logon_register .logon .phone .form input,
.logon_register .register .phone .form input {
  outline: none;
  width: 300px;
  height: 40px;
  display: block;
  margin: 0 auto;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #999999;
  letter-spacing: 0;
  padding-left: 24px;
  /* margin-bottom: 20px; */
  border: 1px solid #80C4AE;
  border-radius: 4px;
  box-sizing: border-box;
}
/* .logon_register .register .phone .form input{
  单独设置注册界面的input下边距
  margin-bottom: 30px;
} */
.logon_register .logon .phone .form em,
.logon_register .register .phone .form em{
  font-size: 12px;
  height: 30px;
  width: 300px;
  color: red;
  display:block;
  margin: 0 auto;
  line-height: 30px;
  font-style: normal;
  text-align: center;
  /* display: none; */
}
.logon_register .register .phone .form .verification{
  /* 验证码整体盒子 */
  margin: 0 auto;
  width: 300px;
}
.logon_register .register .phone .form .verification input,
.logon_register .register .phone .form .verification span{
  /* 注册验证码输入框跟验证码 */
  width: 150px;
  height: 40px;
  line-height: 40px;
  float: left;
}
.logon_register .register .phone .form .verification span{
  /* 注册验证码 */
  text-align: center;
  font-size: 38px;
  letter-spacing: 5px;
}
.logon_register .logon .phone .form .btn,
.logon_register .register .phone .form .btn {
  background: #74C6B3;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #FFFFFF;
  padding-left: 0;
  margin-bottom: 10px;
  letter-spacing: 5px;
}
.logon_register .logon .phone .form .forget,
.logon_register .register .phone .form .forget {
  width: 300px;
  margin: 0 auto;
  line-height: 17px;
}
.logon_register .logon .phone .form .forget .forget_fl a,
.logon_register .logon .phone .form .forget .forget_fr a,
.logon_register .logon .phone .form .forget .forget_fr span,
.logon_register .register .phone .form .forget .forget_fl a,
.logon_register .register .phone .form .forget .forget_fr a,
.logon_register .register .phone .form .forget .forget_fr span {
  font-family: PingFangSC-Medium;
  font-size: 12px;
  color: #74C6B3;
  letter-spacing: 0;
}
.logon_register .register .phone .form .forget .forget_fl{
  line-height: 18px;
}
.logon_register .register .phone .form .forget .forget_fl input{
  width: 16px;
  height: 16px;
  display: block;
  margin: 2px 10px 0 0;
  float: left;
}

.logon_register .register .phone .form .forget .forget_fl a{
  color: #999;
}

.logon_register .logon .phone .form .forget .forget_fr span,
.logon_register .register .phone .form .forget .forget_fr span {
  color: #333333;
}
/* 登录/注册end */


